Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Keystone Mine, Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USAi
Regional Level Types
Keystone MineMine
RocklandUnincorporated Community
Diamond Creek Mining DistrictMining District
Klamath MountainsMountain Range
Del Norte CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
41° 59' 35'' North , 123° 57' 46'' West
Latitude & Longitude (decimal):
41.99306,-123.96278
GeoHash:
G#: 9pryght53
GRN:
N28W67
Type:
Mine
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Gasquet661 (2011)16.4km
Smith River866 (2011)16.8km
O'Brien504 (2011)23.0km
Hiouchi301 (2011)24.0km
Harbor2,391 (2011)26.0km
Mindat Locality ID:
74674
Long-form identifier:
mindat:1:2:74674:3
GUID (UUID V4):
0


A former Cu-Fe mine located in sec. 32, T19N, R2E, HM, 1.4 km (4,500 feet) N of Rockland along the North Fork Smith River.

Mineralization is hosted in serpentinite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘCopper1.AA.05Cu

List of minerals for each chemical element

CuCopper
Cuⓘ CopperCu

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Whitney, J.D. (1865), Geological survey of California, Geology, 1, Report of progress and synopsis of the field work from 1860to 1864; […(abstract): American Journal of Science, 2nd. series: 41: 124, 231-246, 351-368]: 362.
Aubury, Lewis E. (1905) The Copper Resources of California. Bulletin 23. California State Mining Bureau p.115
(1908, September) The Copper Resources of California. Bulletin 50. California State Mining Bureaup.138
O’Brien, J.C. (1952b), Mines and minerals of Del Norte County, California: California Journal of Mines and Geology: 48(4): 297
Murdoch, Joseph; Webb, Robert Wallace (1966) Minerals of California, Centennial Volume (1866-1966) - California Division of Mines and Geology, Bulletin 189. California Division of Mines and Geology. 559 pp.
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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